In matriliny also, property passes on to true heirs. Only that there remains no confusion about who is the daughter of who, as motherhood is the actual parenthood, not like a social construct like fatherhood which is a creation of patriarchy. Another advantage is then women don't have to shift house after marriage and serve a man for her and her kids' livelihood. Many social evils like domestic violence, marital rape, dowry system, witch-hunting etc would stop too. But people don't want to bring this change, because a. The patriarchy-minded people just don't care about women or children, or, are too pessimistic about the future, b. The ones who don't essentially believe in a dominance culture thinks this is too good to actually be applicable.